export("deming", "pbreg", "theilsen")
import("boot")
importFrom(stats, approx, lm.wfit, mad, median, model.extract, 
           model.matrix, model.response, model.weights, naprint, 
           optimize, qnorm, rbinom, terms, var)
S3method(print, deming)
S3method(print, pbreg)
S3method(print, theilsen)
